Accession Number : AD0752462

Title :   Asymptotic Analysis of Turbulent Channel Flow for Mean Turbulent Energy Closures.

Descriptive Note : Technical rept.,

Corporate Author : PURDUE UNIV LAFAYETTE IND PROJECT SQUID HEADQUARTERS

Personal Author(s) : Fendell,Francis E. ; Bush,William B.

Report Date : OCT 1972

Pagination or Media Count : 35

Abstract : The Reynolds time-averaged equations are adopted for fully turbulent two-dimensional flow of an incompressible fluid through a channel with plane smooth walls. Closure is effected by means of so-called second-order methods based on the conservation of mean turbulent kinetic energy. In particular, generalizations of the turbulent shear flow models due to Bradshaw, Ferriss, and Atwell and to Spalding and co-workers, are adopted as representative of recent differential closure models. The models are treated in the limit of large turbulent Reynolds number by means of limit-process expansions. (Author)

Descriptors :   (*TWO DIMENSIONAL FLOW, TURBULENCE), INCOMPRESSIBLE FLOW, REYNOLDS NUMBER, SHEAR STRESSES, EQUATIONS OF MOTION, BOUNDARY VALUE PROBLEMS, FUNCTIONAL ANALYSIS

Subject Categories : Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE